UGC Approved Journal no 63975

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Published in:

Volume 5 Issue 7
July-2018
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR1807975


Registration ID:
185762

Page Number

498-504

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Title

Life table of the Molluscan slug Laevicaulis alte (Ferrusac 1822) (Gastropoda: Pulmonata) of Courtallam foothills, Tirunelveli District, Tamil Nadu, India.

Abstract

Life table studies were undertaken to understand the survival and mortality of Laevicaulis alte (Ferrusac, 1822) under laboratory conditions from December 2014 to June 2015. Matured adult slugs were brought from natural habitat and kept in simulated terraria. Eggs were deposited in mud crevices or depression in the soil a few days after mating of adult slugs. Eggs laid during warm spring tend to hatch out in approximately three weeks. The total number of eggs laid differs in different individuals. After 13 days of release in the terrarium approximately 50 slugs laid their eggs under mulched leaf debris and in the crevices of the soil of the terrarium in a depth of approximately 2.5cm. The eggs of Laevicaulis alte were transparent and pale brown in colour and oval in shape. An average total of 24 eggs were in one clutch and out of it 14 eggs hatched out into young ones. The young ones were pale brownish with body length range 0.96 ± 0.08mm and breadth 0.55 ± 0.08mm and with body weight 0.47 ± 0.07gm. Laevicaulis alte juvenile hatchlings reach sexual maturity in about 6-7 months.

Key Words

Key words: Laevicaulis alte, life table, survival, mortality, egg, adult, young ones.

Cite This Article

"Life table of the Molluscan slug Laevicaulis alte (Ferrusac 1822) (Gastropoda: Pulmonata) of Courtallam foothills, Tirunelveli District, Tamil Nadu, India.", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 7, page no.498-504, July-2018, Available :http://www.jetir.org/papers/JETIR1807975.pdf

ISSN


2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Life table of the Molluscan slug Laevicaulis alte (Ferrusac 1822) (Gastropoda: Pulmonata) of Courtallam foothills, Tirunelveli District, Tamil Nadu, India.", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 7, page no. pp498-504, July-2018, Available at : http://www.jetir.org/papers/JETIR1807975.pdf

Publication Details

Published Paper ID: JETIR1807975
Registration ID: 185762
Published In: Volume 5 | Issue 7 | Year July-2018
DOI (Digital Object Identifier):
Page No: 498-504
Country: TENKASI TK, TAMILNADU, INDIA .
Area: Biological Science
ISSN Number: 2349-5162


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